Walt Disney enlisted former colleagues Hugh Harman and Rudy Ising to help create this underwater Silly Symphony. Ocean waves form merbabies who are summoned to an aquatic circus playground on the sea floor, where they interact with a parade of seahorses, starfish and other marine life, before disappearing into the surface from which they came.
During the Great Depression, all Broadway shows are closed down. A group of desperate unemployed showgirls find hope when a wealthy songwriter invests in a musical starring them, against the wishes of his high society brother. Thus start Carol, Trixie and Polly's schemes to bilk his money and keep the show going.
Prohibition is ending so bootlegger Bugs Ahearn decides to crack California society. He leases a house from down-on-her-luck Ruth and hires her as social secretary. He rescues Polly Cass from a horsefall and goes home to meet her dad who sells him some phony stock certificates. When he learns about this he sends to Chicago for mob help.
A producer puts on what may be his last Broadway show, and at the last moment a chorus girl has to replace the star.